Table 3.

One-way ANOVA: difference between age cohorts of mean number of days of drug use in year prior to incarceration

Drug	n	Source of variation	df	Sums of squares	Mean square	F	p
“Syrup”	91	Between	2	2.736	1.368	2.403	0.096
		Within	88	50.099	.569	–	–
Lortab/Hydrocodone	65	Between	2	1.865	.993	1.670	0.197
		Within	62	34.628	.559	–	–
Xanax	71	Between	2	3.955	1.978	3.360	0.041
		Within	68	40.021	.589	–	–